100221000210 has 48 divisors (see below), whose sum is σ = 262449270720. Its totient is φ = 26533326240.

The previous prime is 100221000179. The next prime is 100221000227. The reversal of 100221000210 is 12000122001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100221000192 and 100221000201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3993126 + ... + 4018145.

It is an arithmetic number, because the mean of its divisors is an integer number (5467693140).

Almost surely, 2^100221000210 is an apocalyptic number.

100221000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221000210 is an abundant number, since it is smaller than the sum of its proper divisors (162228270510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100221000210 is a wasteful number, since it uses less digits than its factorization.

100221000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011423 (or 8011420 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100221000210 its reverse (12000122001), we get a palindrome (112221122211).

The spelling of 100221000210 in words is "one hundred billion, two hundred twenty-one million, two hundred ten", and thus it is an aban number.